cc: Make LayerTreeTests use a DelegatingRenderer and Display.

cc/test/test_delegating_output_surface.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/test/test_delegating_output_surface.h"
 
 #include <stdint.h>
 #include <utility>
 
 #include "cc/output/begin_frame_args.h"
 #include "cc/output/copy_output_request.h"
 #include "cc/output/texture_mailbox_deleter.h"
 #include "cc/test/begin_frame_args_test.h"
 
 static constexpr uint32_t kCompositorClientId = 1;
 
 namespace cc {
 
 TestDelegatingOutputSurface::TestDelegatingOutputSurface(
     scoped_refptr<ContextProvider> compositor_context_provider,
     scoped_refptr<ContextProvider> worker_context_provider,
     std::unique_ptr<OutputSurface> display_output_surface,
     SharedBitmapManager* shared_bitmap_manager,
     gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager,
     const RendererSettings& renderer_settings,
     base::SingleThreadTaskRunner* task_runner,
-    bool synchronous_composite)
+    bool synchronous_composite,
+    bool force_disable_reclaim_resources)
     : OutputSurface(std::move(compositor_context_provider),
                     std::move(worker_context_provider),
                     nullptr),
       surface_manager_(new SurfaceManager),
       surface_id_allocator_(new SurfaceIdAllocator(kCompositorClientId)),
       surface_factory_(new SurfaceFactory(surface_manager_.get(), this)),
       weak_ptrs_(this) {
   std::unique_ptr<SyntheticBeginFrameSource> begin_frame_source;
   std::unique_ptr<DisplayScheduler> scheduler;
   if (!synchronous_composite) {
-    begin_frame_source.reset(new DelayBasedBeginFrameSource(
-        base::MakeUnique<DelayBasedTimeSource>(task_runner)));
+    if (renderer_settings.disable_display_vsync) {
+      begin_frame_source.reset(new BackToBackBeginFrameSource(
+          base::MakeUnique<DelayBasedTimeSource>(task_runner)));
+    } else {
+      begin_frame_source.reset(new DelayBasedBeginFrameSource(
+          base::MakeUnique<DelayBasedTimeSource>(task_runner)));
+      begin_frame_source->SetAuthoritativeVSyncInterval(
+          base::TimeDelta::FromMilliseconds(1000.f /
+                                            renderer_settings.refresh_rate));
+    }
     scheduler.reset(new DisplayScheduler(
         begin_frame_source.get(), task_runner,
         display_output_surface->capabilities().max_frames_pending));
   }
   const bool context_shared_with_compositor =
       display_output_surface->context_provider() == context_provider();
   display_.reset(
       new Display(shared_bitmap_manager, gpu_memory_buffer_manager,
                   renderer_settings, std::move(begin_frame_source),
                   std::move(display_output_surface), std::move(scheduler),
                   base::MakeUnique<TextureMailboxDeleter>(task_runner)));
 
   capabilities_.delegated_rendering = true;
   // Since this OutputSurface and the Display are tightly coupled and in the
   // same process/thread, the LayerTreeHostImpl can reclaim resources from
-  // the Display.
-  capabilities_.can_force_reclaim_resources = true;
+  // the Display. But we allow tests to disable this to mimic an out-of-process
+  // Display.
+  capabilities_.can_force_reclaim_resources = !force_disable_reclaim_resources;
   capabilities_.delegated_sync_points_required =
       !context_shared_with_compositor;
 }
 
 TestDelegatingOutputSurface::~TestDelegatingOutputSurface() {
   DCHECK(copy_requests_.empty());
 }
 
 void TestDelegatingOutputSurface::RequestCopyOfOutput(
     std::unique_ptr<CopyOutputRequest> request) {
@@ skipping 33 matching lines @@
   }
   display_ = nullptr;
   surface_factory_ = nullptr;
   surface_id_allocator_ = nullptr;
   surface_manager_ = nullptr;
   weak_ptrs_.InvalidateWeakPtrs();
   OutputSurface::DetachFromClient();
 }
 
 void TestDelegatingOutputSurface::SwapBuffers(CompositorFrame frame) {
+  if (test_client_)
+    test_client_->DisplayReceivedCompositorFrame(frame);
+
   if (delegated_surface_id_.is_null()) {
     delegated_surface_id_ = surface_id_allocator_->GenerateId();
     surface_factory_->Create(delegated_surface_id_);
   }
   display_->SetSurfaceId(delegated_surface_id_,
                          frame.metadata.device_scale_factor);
 
   gfx::Size frame_size =
       frame.delegated_frame_data->render_pass_list.back()->output_rect.size();
   display_->Resize(frame_size);
 
   bool synchronous = !display_->has_scheduler();
 
   surface_factory_->SubmitCompositorFrame(
       delegated_surface_id_, std::move(frame),
-      base::Bind(&TestDelegatingOutputSurface::DrawCallback,
+      base::Bind(&TestDelegatingOutputSurface::DidDrawCallback,
                  weak_ptrs_.GetWeakPtr(), synchronous));
 
   for (std::unique_ptr<CopyOutputRequest>& copy_request : copy_requests_)
     surface_factory_->RequestCopyOfSurface(delegated_surface_id_,
                                            std::move(copy_request));
   copy_requests_.clear();
 
-  if (!display_->has_scheduler())
+  if (synchronous)
     display_->DrawAndSwap();
 }
 
-void TestDelegatingOutputSurface::DrawCallback(bool synchronous) {
+void TestDelegatingOutputSurface::DidDrawCallback(bool synchronous) {
   // This is the frame ack to unthrottle the next frame, not actually a notice
   // that drawing is done.
   if (synchronous) {
     // For synchronous draws, this must be posted to a new stack because we are
     // still the original call to SwapBuffers, and we want to leave that before
     // saying that it is done.
     OutputSurface::PostSwapBuffersComplete();
   } else {
     client_->DidSwapBuffersComplete();
   }
@@ skipping 31 matching lines @@
 
 void TestDelegatingOutputSurface::DisplayOutputSurfaceLost() {
   DidLoseOutputSurface();
 }
 
 void TestDelegatingOutputSurface::DisplaySetMemoryPolicy(
     const ManagedMemoryPolicy& policy) {
   SetMemoryPolicy(policy);
 }
 
+void TestDelegatingOutputSurface::DisplayWillDrawAndSwap(
+    bool will_draw_and_swap,
+    const RenderPassList& render_passes) {
+  if (test_client_)
+    test_client_->DisplayWillDrawAndSwap(will_draw_and_swap, render_passes);
+}
+
+void TestDelegatingOutputSurface::DisplayDidDrawAndSwap() {
+  if (test_client_)
+    test_client_->DisplayDidDrawAndSwap();
+}
+
 }  // namespace cc